CN102122450B - Teaching aid device for artificial abortion operation - Google Patents
Teaching aid device for artificial abortion operation Download PDFInfo
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- CN102122450B CN102122450B CN201110008805A CN201110008805A CN102122450B CN 102122450 B CN102122450 B CN 102122450B CN 201110008805 A CN201110008805 A CN 201110008805A CN 201110008805 A CN201110008805 A CN 201110008805A CN 102122450 B CN102122450 B CN 102122450B
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- artificial abortion
- release lever
- carriage release
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- potentiometer
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Abstract
The invention discloses a teaching aid device for an artificial abortion operation, which comprises a reset mechanical device, a three-dimensional displacement sensor group, a signal processing module, a signal transmission module and a display device. The teaching aid device is characterized in that: the reset mechanical device is driven by a uterine curettage surgical appliance to move and cut uterine in a simulated uterine cavity; the three-dimensional displacement sensor group is a variable potentiometer group which is respectively positioned on an X axle, an Y axle and a Z axle in the simulated uterine cavity, the space three-dimensional positions of the surgical appliance moving and cutting uterine in the simulated uterine cavity are reflected by the change of the potentiometer resistance values in each direction; the signal processing module is used for processing the space three-dimensional position of the surgical appliance acquired by the three-dimensional displacement sensor group; the signal transmission module transmits the information processed by the signal processing module to the display device; and the display device displays the movement tracks of the surgical appliance and the size of the uterine curettage force on a software interface of the display device according to the received space three-dimensional position of the surgical appliance. The teaching aid device operation provided in the invention can be used to ensure that students grasp the operation techniques of the artificial abortion operation by simulating the artificial abortion operation and can be used as a teaching platform for the artificial abortion operation; and the teachers can train and check the artificial abortion operation of students via the platform.
Description
Technical field
The invention belongs to technical field of medical instruments, be specifically related to a kind of teaching servicing unit of artificial abortion operation operation, can be used as the teaching platform of artificial abortion operation operation, the teacher can be through this platform training and examination student's artificial abortion operation operation.
Background technology
The induced abortion uteroventral operation generally all needs artificial interventional procedure in the prior art, operates dilatation and curettage as adopting hysteroscope.
Along with medical practitioners law's the enforcement and the enhancing of patient awareness of self-protection, the difficulty of medical teaching work increases day by day, especially gynemetrics's clinic work.Uteroventral operation is the basis that the gynaecologist and obstetrician works, and is the content that the gynaecologist and obstetrician must grasp, and has very strong clinical practice property.Traditional uteroventral operation mode of learning relies on band religion by doing and illustrating, and the patient is beyond affordability on the one hand, on the other hand repeatedly uteroventral operation cause easily dilatation and curettage excessively, infection and perforation etc., bring serious wound for patient's body and mind.Therefore, the uncooperative of uteroventral operation practice and patient can form sharp-pointed contradiction, and causes doctor-patient dispute easily.
The present invention utilizes model to make the student pass through the simulated operation exercise and grasps the induced abortion operative technique, and for teacher provides a teaching platform to the student, in time points out the not enough point of students'operation through the examination teacher.The foundation of this analogue means will obtain better teaching.
Summary of the invention
The object of the invention is to provide a kind of artificial abortion operation operation teaching servicing unit, can make the student grasp the artificial abortion operation operative technique through simulating the artificial abortion operation operation; The present invention can be as the evaluating platform of artificial abortion operation operation, and teacher evaluates for the students'operation achievement through this platform.
In order to solve these problems of the prior art, technical scheme provided by the invention is:
A kind of artificial abortion operation operation teaching servicing unit; Comprise the mechanical hook-up that to reset, three dimensional forcel displacement sensor group, signal processing module, signal transmission module and display device, it is characterized in that the said mechanical hook-up that resets drives mobile dilatation and curettage in simulated uterine by the dilatation and curettage operating theater instruments; Said three dimensional forcel displacement sensor group is the variable potentiometer group, lays respectively on the interior X axle of simulated uterine, Y axle, the Z axle, in simulated uterine, moves the spatial three-dimensional position of dilatation and curettage through the reacting condition operating theater instruments of potentiometer resistance on all directions; Said signal processing module is used to handle the spatial three-dimensional position information of the operating theater instruments that the three dimensional forcel displacement sensor group gathers; Said signal transmission module is given display device with the information transmission after signal processing module is handled; Said display device shows the track that operating theater instruments moves and the size of dilatation and curettage power according to the spatial three-dimensional position information of the operating theater instruments that receives on the display device software interface.
Preferably; The said mechanical hook-up that resets comprises support plinth, bare terminal end, the carriage release lever that can swing; Be provided with the supporting bowl seat in the said support plinth; The bottom of said carriage release lever links to each other with the bulb that the supporting bowl seat cooperates, and said carriage release lever shrinks under the driving of operating theater instruments and swings around bulb.
Preferably, said support plinth is hollow cover body, and circumferential reference column and centralized positioning post are set in the said support plinth, on the said centralized positioning post supporting bowl seat is set, and said circumferential reference column is arranged on the outside of centralized positioning post, and is circumferential setting.
Preferably, reset through waiting back-moving spring of opening to be connected between the bulb of said circumferential reference column and carriage release lever; Said carriage release lever connects three dimensional forcel displacement sensor location moving displacement.
Preferably, said three dimensional forcel displacement sensor is 4 adjustable potentiometers.
Preferably, said adjustable potentiometer comprises horizontal location potentiometer, perpendicular positioning potentiometer; The position line of said horizontal location potentiometer is connected with the bulb of carriage release lever measures horizontal X, the displacement of Y direction operation; Said perpendicular positioning potentiometer is fixed on the carriage release lever body of rod, and is connected the displacement of mensuration vertical Z direction operation with the carriage release lever bare terminal end through its position line.
Preferably, said carriage release lever bare terminal end clamping operating theater instruments is operated in simulated uterine.
Preferably, the said mechanical hook-up that resets also comprises housing, and carriage release lever and support plinth are set in the said housing.The through hole that supplies the operating theater instruments turnover is set on the said housing.
Preferably, said signal processing module is single-chip microcomputer STC89C51.
Preferably, said signal transmission module is a USB private communication chip.
Preferably, said display device is a computing machine.Preferably, said signal transmission module is followed the usb communication agreement, and the data after said signal transmission module will be gathered are handled through usb communication protocol transmission to computing machine.Dynamics coefficient magnitude when preferably, said display device shows track that operating theater instruments moves and dilatation and curettage according to the spatial three-dimensional position information of the operating theater instruments that receives on software interface.
The invention provides a kind of artificial abortion operation operation simulation uteroventral operation training system, be used for training of uterine cavity simulated operation and students'operation examination, three dimensional forcel displacement sensor is installed on three axis of orientations of drive unit, constitutes the three-dimensional fix system.Gather the three dimensional forcel displacement sensor feedback signal in real time by signal processing module, handle the back and will handle back data through usb communication protocol transmission to software systems and carry out corresponding operating through signal transmission module.Said software systems are developed by the VB platform voluntarily, this software by display interface with button be set form, and the prompting operation window is arranged.
With respect to scheme of the prior art, advantage of the present invention is:
The student grasps the induced abortion operative technique through the simulated operation exercise; For teacher provides an examination platform to the student, the teacher that gets through the examinations in time points out the not enough point of students'operation.The foundation of this analogue means will obtain better teaching.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Fig. 1 is the artificial abortion operation operation simulation of the present invention uteroventral operation training system work synoptic diagram;
Fig. 2, Fig. 3 are artificial abortion operation operation simulation uteroventral operation training system hardware of the present invention and operation chart;
Fig. 4 is the three-dimensional motion-vector figure of carriage release lever of the present invention
Embodiment
Below in conjunction with specific embodiment such scheme is further specified.Should be understood that these embodiment are used to the present invention is described and are not limited to limit scope of the present invention.The implementation condition that adopts among the embodiment can be done further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in the normal experiment.
Embodiment 1 is as shown in Figure 1; This artificial abortion operation operation teaching servicing unit; Comprise the mechanical hook-up that to reset, three dimensional forcel displacement sensor group, signal processing module, signal transmission module and display device, it is characterized in that the said mechanical hook-up that resets drives mobile dilatation and curettage in simulated uterine by the dilatation and curettage operating theater instruments; Said three dimensional forcel displacement sensor group is the variable potentiometer group, lays respectively on the interior X axle of simulated uterine, Y axle, the Z axle, in simulated uterine, moves the spatial three-dimensional position of dilatation and curettage through the reacting condition operating theater instruments of potentiometer resistance on all directions; Said signal processing module is used to handle the spatial three-dimensional position information of the operating theater instruments that the three dimensional forcel displacement sensor group gathers; Said signal transmission module is given display device with the information transmission after signal processing module is handled; Said display device shows the track that operating theater instruments moves and the size of dilatation and curettage power according to the spatial three-dimensional position information of the operating theater instruments that receives on the display device software interface.
Like Fig. 2, shown in Figure 3; The mechanical hook-up that can reset comprises housing 16; Carriage release lever and support plinth 12 are set in the said housing, and carriage release lever 11 can be swung, and is provided with supporting bowl seat 14 in the said support plinth 12; The bottom of said carriage release lever 11 links to each other with the bulb that supporting bowl seat 14 cooperates, and said carriage release lever shrinks under the driving of operating theater instruments and swings around bulb.Said support plinth 12 is hollow cover body; Circumferential reference column 15 and centralized positioning post 13 are set in the said support plinth 12; On the said centralized positioning post 13 supporting bowl seat 14 is set, said circumferential reference column 15 is arranged on the outside of centralized positioning post 13, and is circumferential setting.Reset through waiting back-moving spring of opening 2 to be connected between the bulb of said circumferential reference column and carriage release lever; Said carriage release lever connects three dimensional forcel displacement sensor location moving displacement.
Three dimensional forcel displacement sensor is 4 adjustable potentiometers 3.Said adjustable potentiometer 3 comprises horizontal location potentiometer and perpendicular positioning potentiometer; Said horizontal location potentiometer is 3 adjustable potentiometers 3 that are used for horizontal location, and said perpendicular positioning potentiometer is 1 adjustable potentiometer 3 that is used for perpendicular positioning; The position line of said horizontal location potentiometer is connected with the bulb of carriage release lever measures horizontal X, the displacement of Y direction operation; Said perpendicular positioning potentiometer is fixed on the carriage release lever body of rod, and is connected the displacement of mensuration vertical Z direction operation with the carriage release lever bare terminal end through its position line.
Said carriage release lever bare terminal end clamping operating theater instruments 4 is operated in simulated uterine.Said signal processing module is single-chip microcomputer STC89C51.Said signal transmission module is a USB private communication chip.
The software systems of artificial abortion operation operation simulation uteroventral operation training system of the present invention for operating demonstration; Operator operating software system at first during use; Its display interface can be the vertical view and the side view of model of uterus, can confirm the locus of embryo in the body of palace through two figures.The display interface below is an action button, is respectively " drop target " key and " withdrawing from " key.Start " drop target " key visitor and set simulation embryo position arbitrarily.
After software setting finishes, use general intrauterine surgical apparatus to insert the simulation ostium of uterus and operate, operating theater instruments will drive carriage release lever and be synchronized with the movement, and drives the three dimensional forcel displacement sensor action simultaneously.Signal processing module is handled the state that three dimensional forcel displacement sensor is gathered in real time, exports the three-dimensional coordinate system through built-in algorithms, and through USB private communication chip coordinate-system is transferred to software systems.
As shown in Figure 4, the carriage release lever bare terminal end is L0 to the initial length of bottom, and back-moving spring bullet strength coefficient is k, and each potentiometer initial value is respectively Rx1, Ry1, Rz1 on X axle, Y axle, the Z-direction.It is a that pairing carriage release lever of the every changes delta Rx of X-direction potentiometer value and X axle clamp angle are counted variable quantity, and back-moving spring tensile elongation variable quantity is d1; It is b that pairing carriage release lever of the every changes delta Ry of Y direction potentiometer value and Y axle clamp angle are counted variable quantity, and back-moving spring tensile elongation variable quantity is d2; The length variations amount is Δ L to the pairing carriage release lever bare terminal end of the every changes delta Rz of Z-direction potentiometer value to the bottom.Signal processing module is gathered potentiometer resistance value Rx, Ry, Rz on X axle, Y axle, the Z axle in real time, calculates the angle of carriage release lever and X axle
1=(Rx-Rx1)/and Δ Rx * a, the angle of carriage release lever and Y axle
2=(Ry-Ry1)/and Δ Ry * b, the carriage release lever bare terminal end is to bottom length L=L0-((Rz-Rz1)/Δ Rz * Δ L).The carriage release lever three dimensional space coordinate is ((Lcos α
1), (Lcos α
2), f (Lcos α
1, Lcos α
2, L)), uterine curettage force coefficient mathematical function be F=|f [(k ((Rx-Rx1)/Δ Rxd1)), (k ((Ry-Ry1)/Δ Ryd2)), (k ((Rz-Rz1)/Δ Rz (L0-L))) |.Signal transmission module is sent to computing machine with the three dimensional space coordinate and the dilatation and curettage power size of carriage release lever, and computer software is through the processing track that the demonstration carriage release lever moves on software interface and the size of dilatation and curettage power.
The built-in three dimensions of the mechanical hook-up simulated uterine that can reset moves; And three dimensional forcel displacement sensor (the three dimensional forcel displacement sensor group of being made up of the three dimensional forcel displacement sensor that detects X, Y, three directions of Z) detects the locus of operating theater instruments; The three dimensional forcel displacement sensor group is by the X axle, and the displacement transducer of three directions of Y axle and Z axle is formed, and is installed on the X axle of the correspondence of the mechanical hook-up that can reset respectively; On three orthogonal axles of Y axle and Z axle, constitute three dimensions and measure system.When artificial abortion operation operation simulation uteroventral operation is trained; At first the intrauterine surgical apparatus is inserted the simulation uterus and carry out three-dimensional manipulating; Three displacement transducers of gearshift produce electric signal thereupon and send to signal processing module; And carry out will handling the back data transmission to PC through signal transmission module after the formula manipulation, function software receives deal with data and carries out corresponding operating.Uteroventral operation spare is inserted analog submodule in utero, and the mechanical hook-up that can reset is with simulated operation spare courses of action, and software interface can show paths in real time, is convenient to the operator and observes operating parts move mode and operating physical force in the uterine cavity intuitively, realizes the simulated operation training of uterine cavity.
Software systems show operating theater instruments skimulated motion track in real time through display window, and output dynamics coefficient.After operating theater instruments contact palace wall and use dynamics surpassed safe dynamics coefficient, system ejected the caution window automatically.
Above-mentioned instance only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the people who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalent transformations that spirit is done according to the present invention or modification all should be encompassed within protection scope of the present invention.
Claims (8)
1. artificial abortion operation operation teaching servicing unit; Comprise the mechanical hook-up that to reset, three dimensional forcel displacement sensor group, signal processing module, signal transmission module and display device, it is characterized in that the said mechanical hook-up that resets drives mobile dilatation and curettage in simulated uterine by the dilatation and curettage operating theater instruments; Said three dimensional forcel displacement sensor group is the variable potentiometer group, lays respectively on the interior X axle of simulated uterine, Y axle, the Z axle, in simulated uterine, moves the spatial three-dimensional position of dilatation and curettage through the reacting condition operating theater instruments of potentiometer resistance on all directions; Said signal processing module is used to handle the spatial three-dimensional position information of the operating theater instruments that the three dimensional forcel displacement sensor group gathers; Said signal transmission module is given display device with the information transmission after signal processing module is handled; Said display device shows the track that operating theater instruments moves and the size of dilatation and curettage power according to the spatial three-dimensional position information of the operating theater instruments that receives on the display device software interface.
2. artificial abortion operation operation teaching servicing unit according to claim 1; It is characterized in that the carriage release lever (11) that the said mechanical hook-up that resets comprises support plinth (12) and can swing; Be provided with supporting bowl seat (14) in the said support plinth (12), the bottom of said carriage release lever (11) links to each other with the bulb that supporting bowl seat (14) cooperates and in support plinth, swings.
3. artificial abortion operation operation teaching servicing unit according to claim 2; It is characterized in that said support plinth (12) is hollow cover body; Circumferential reference column (15) and centralized positioning post (13) are set in the said support plinth (12); Supporting bowl seat (14) is set on the said centralized positioning post (13), and said circumferential reference column (15) is arranged on the outside of centralized positioning post (13), and is circumferential setting.
4. artificial abortion operation operation teaching servicing unit according to claim 3 is characterized in that resetting through waiting back-moving spring of opening (2) to be connected between the bulb of said circumferential reference column and carriage release lever; Said carriage release lever connects three dimensional forcel displacement sensor location moving displacement.
5. artificial abortion operation operation teaching servicing unit according to claim 3 is characterized in that said three dimensional forcel displacement sensor is 4 variable potentiometers (3).
6. artificial abortion operation operation teaching servicing unit according to claim 5 is characterized in that said variable potentiometer (3) comprises horizontal location potentiometer, perpendicular positioning potentiometer; The position line of said horizontal location potentiometer is connected with the bulb of carriage release lever measures horizontal X, the displacement of Y direction operation; Said perpendicular positioning potentiometer is fixed on the carriage release lever body of rod, and is connected the displacement of mensuration vertical Z direction operation with the carriage release lever bare terminal end through its position line.
7. artificial abortion operation operation teaching servicing unit according to claim 5 is characterized in that said carriage release lever bare terminal end clamping operating theater instruments operates in simulated uterine.
8. artificial abortion operation operation teaching servicing unit according to claim 2 is characterized in that the said mechanical hook-up that resets also comprises housing (16), is provided with carriage release lever (11) and support plinth (12) in the said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110008805A CN102122450B (en) | 2011-01-17 | 2011-01-17 | Teaching aid device for artificial abortion operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110008805A CN102122450B (en) | 2011-01-17 | 2011-01-17 | Teaching aid device for artificial abortion operation |
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| Publication Number | Publication Date |
|---|---|
| CN102122450A CN102122450A (en) | 2011-07-13 |
| CN102122450B true CN102122450B (en) | 2012-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110008805A Expired - Fee Related CN102122450B (en) | 2011-01-17 | 2011-01-17 | Teaching aid device for artificial abortion operation |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106157776A (en) * | 2016-08-12 | 2016-11-23 | 北京大学人民医院 | Interactive virtual fractional curettage art teaching system and teaching method |
| CN110895895B (en) * | 2018-09-12 | 2021-11-19 | 北京大学 | Real-time evaluation system for segmental diagnosis and scraping simulation operation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488127A (en) * | 2001-01-24 | 2004-04-07 | ��±���ѧ��ƿ�ѧ�ɷݹ�˾ | Method and system for simulation of surgical procedures |
| CN201611538U (en) * | 2009-12-18 | 2010-10-20 | 天津市天堰医教科技开发有限公司 | Transparent uterus dilatation and curettage demonstration model |
| CN201993971U (en) * | 2011-01-17 | 2011-09-28 | 东南大学 | Teaching auxiliary device for performing induced abortion operation |
-
2011
- 2011-01-17 CN CN201110008805A patent/CN102122450B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1488127A (en) * | 2001-01-24 | 2004-04-07 | ��±���ѧ��ƿ�ѧ�ɷݹ�˾ | Method and system for simulation of surgical procedures |
| CN201611538U (en) * | 2009-12-18 | 2010-10-20 | 天津市天堰医教科技开发有限公司 | Transparent uterus dilatation and curettage demonstration model |
| CN201993971U (en) * | 2011-01-17 | 2011-09-28 | 东南大学 | Teaching auxiliary device for performing induced abortion operation |
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| CN102122450A (en) | 2011-07-13 |
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